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Complex power and impedance calculator

AC magnetic problems utilize complex numbers arithmetic to represent values sinusoidally varying in time. This calculator facilitates complex numbers (phasors) arithmetic operations: impedance and power calculation.

Real (Re)

Imaginary (Im)

Voltage magnitude V [V]

i *

Current magnitude I [A]

i *

Impedance Z = V / I [Ohm]

i *

Power S = ½ * (V * I*)


i * VAr

Negative value indicates that power is generated.

+1 0 +i

Counter-clockwise rotation of vectors.

Voltage ——
Current ——

Watch online on YouTube.

QuickField 6.4